Piezoelectric vibration measurement head

Details Piezoelectric vibration measurement head Piezoelectric vibration measurement head

1985-09-11

1987-02-17

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

360 77, 73DIG4, H01L 4108

Patent

active

046442154

ABSTRACT:
A vibration measurement head is used to measure the type of vibration set up in a magnetic head by the frictional contact of the magnetic head with magnetic media. The head is the same shape as such a magnetic head and consists of piezoelectric material in which vibration generates an electrical charge. This charge is measured, thereby providing a simulated measurement of the vibration occuring in a magnetic head.

REFERENCES:
patent: 1737253 (1929-11-01), Linsell
patent: 1802782 (1931-04-01), Sawyer
patent: 3531742 (1970-09-01), Saito et al.
patent: 4099211 (1978-07-01), Hathaway

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